static uint SrcRead( void ) {
//===============================
uint len;
file_handle fp;
char msg[81];
fp = CurrFile->fileptr;
if( CurrFile->flags & INC_LIB_MEMBER ) {
len = LibRead( fp );
if( LibEof( fp ) ) {
ProgSw |= PS_INC_EOF;
} else if( LibError( fp, msg ) ) {
InfoError( SM_IO_READ_ERR, CurrFile->name, msg );
ProgSw |= PS_INC_EOF;
}
} else {
len = SDRead( fp, SrcBuff, SRCLEN );
if( SDEof( fp ) ) {
ProgSw |= PS_INC_EOF;
} else if( SDError( fp, msg ) ) {
InfoError( SM_IO_READ_ERR, CurrFile->name, msg );
ProgSw |= PS_INC_EOF;
}
}
return( len );
}
bool LibEof( lib_handle lp ) {
//===============================
// Check for EOF on library read (source only).
return( SDEof( lp ) );
}
static void LoadPage( unsigned_16 page ) {
//============================================
// Load a page into memory.
if( page != CurrPage ) {
DumpCurrPage();
SDSeek( PageFile, page, PAGE_SIZE );
ChkIOErr( PageFile, SM_IO_READ_ERR );
SDRead( PageFile, ObjCode, PAGE_SIZE );
// If we seek to the end of the last page in the disk
// file (which is the start of a non-existent page file),
// we will get end-of-file when we do the read.
if( !SDEof( PageFile ) ) {
ChkIOErr( PageFile, SM_IO_READ_ERR );
}
CurrPage = page;
PageFlags = PF_INIT;
}
}
